Home / 13,041.60-19,533.60-5,246.40

Finding the Fourth Proportional to 13,041.60, 19,533.60 and 5,246.40

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Solution

The fourth proportional to 13,041.60, 19,533.60 and 5,246.40 is: 7,858.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,041.60 : 19,533.60 = 5,246.40 : x
  2. Step 2: Convert to fraction form
    13,041.60/19,533.60 = 5,246.40/x
  3. Step 3: Cross multiply
    13,041.60x = 19,533.60 × 5,246.40
  4. Step 4: Simplify right side
    13,041.60x = 102,481,079.04
  5. Step 5: Solve for x
    x = 102,481,079.04/13,041.60
  6. Step 6: Final answer
    x = 7,858.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.